Problem: it`s needed to quickly and simply make scientific articles, books, monographs and practically all that have many formulas and graphs.
Solve: installation LaTeX in Debian -- a work of a moment.

In UNIX-like systems packages for LaTeX called tetex or texlive. So, let`s open terminal and type as root:

#aptitude install tetex-bin tetex-extra latex-ucs

This will occupy about 120Mb of disk space, let`s approve it. For installation, only first DVD-disk is required. While packages are installing, let`s open your preferable text editor and type something like this: